diff --git a/.changelog/10231.txt b/.changelog/10231.txt
new file mode 100644
index 000000000..980df4f2a
--- /dev/null
+++ b/.changelog/10231.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+connect: update supported envoy versions to 1.18.3, 1.17.3, 1.16.4, and 1.15.5
+```
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 48e3fe32c..d7416eb6a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -767,14 +767,14 @@ jobs:
           command: make test-coverage-ci
       - run: *notify-slack-failure
 
-  envoy-integration-test-1_15_4: &ENVOY_TESTS
+  envoy-integration-test-1_15_5: &ENVOY_TESTS
     docker:
       # We only really need bash and docker-compose which is installed on all
       # Circle images but pick Go since we have to pick one of them.
       - image: *GOLANG_IMAGE
     parallelism: 2
     environment:
-      ENVOY_VERSION: "1.15.4"
+      ENVOY_VERSION: "1.15.5"
     steps: &ENVOY_INTEGRATION_TEST_STEPS
       - checkout
       # Get go binary from workspace
@@ -807,32 +807,32 @@ jobs:
           path: *TEST_RESULTS_DIR
       - run: *notify-slack-failure
 
-  envoy-integration-test-1_15_4-v2compat:
+  envoy-integration-test-1_15_5-v2compat:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.15.4"
+      ENVOY_VERSION: "1.15.5"
       TEST_V2_XDS: "1"
 
-  envoy-integration-test-1_16_3:
+  envoy-integration-test-1_16_4:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.16.3"
+      ENVOY_VERSION: "1.16.4"
 
-  envoy-integration-test-1_16_3-v2compat:
+  envoy-integration-test-1_16_4-v2compat:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.16.3"
+      ENVOY_VERSION: "1.16.4"
       TEST_V2_XDS: "1"
 
-  envoy-integration-test-1_17_2:
+  envoy-integration-test-1_17_3:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.17.2"
+      ENVOY_VERSION: "1.17.3"
 
-  envoy-integration-test-1_18_2:
+  envoy-integration-test-1_18_3:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.18.2"
+      ENVOY_VERSION: "1.18.3"
 
   # run integration tests for the connect ca providers
   test-connect-ca-providers:
@@ -1054,22 +1054,22 @@ workflows:
       - nomad-integration-0_8:
           requires:
             - dev-build
-      - envoy-integration-test-1_15_4:
+      - envoy-integration-test-1_15_5:
           requires:
             - dev-build
-      - envoy-integration-test-1_15_4-v2compat:
+      - envoy-integration-test-1_15_5-v2compat:
           requires:
             - dev-build
-      - envoy-integration-test-1_16_3:
+      - envoy-integration-test-1_16_4:
           requires:
             - dev-build
-      - envoy-integration-test-1_16_3-v2compat:
+      - envoy-integration-test-1_16_4-v2compat:
           requires:
             - dev-build
-      - envoy-integration-test-1_17_2:
+      - envoy-integration-test-1_17_3:
           requires:
             - dev-build
-      - envoy-integration-test-1_18_2:
+      - envoy-integration-test-1_18_3:
           requires:
             - dev-build
 
diff --git a/agent/xds/envoy_versioning_test.go b/agent/xds/envoy_versioning_test.go
index c292eb6c2..8dfe65df6 100644
--- a/agent/xds/envoy_versioning_test.go
+++ b/agent/xds/envoy_versioning_test.go
@@ -110,7 +110,7 @@ func TestDetermineSupportedProxyFeaturesFromString(t *testing.T) {
 
 	// Insert a bunch of valid versions.
 	for _, v := range []string{
-		"1.15.0", "1.15.1", "1.15.2", "1.15.3", "1.15.4",
+		"1.15.0", "1.15.1", "1.15.2", "1.15.3", "1.15.4", "1.15.5",
 	} {
 		cases[v] = testcase{expect: supportedProxyFeatures{
 			GatewaysNeedStubClusterWhenEmptyWithIncrementalXDS: true,
@@ -118,9 +118,9 @@ func TestDetermineSupportedProxyFeaturesFromString(t *testing.T) {
 		}}
 	}
 	for _, v := range []string{
-		"1.16.0", "1.16.1", "1.16.2", "1.16.3",
-		"1.17.0", "1.17.1", "1.17.2",
-		"1.18.0", "1.18.1", "1.18.2",
+		"1.16.0", "1.16.1", "1.16.2", "1.16.3", "1.16.4",
+		"1.17.0", "1.17.1", "1.17.2", "1.17.3",
+		"1.18.0", "1.18.1", "1.18.2", "1.18.3",
 	} {
 		cases[v] = testcase{expect: supportedProxyFeatures{}}
 	}
diff --git a/agent/xds/proxysupport/proxysupport.go b/agent/xds/proxysupport/proxysupport.go
index 350569601..01fb84081 100644
--- a/agent/xds/proxysupport/proxysupport.go
+++ b/agent/xds/proxysupport/proxysupport.go
@@ -7,13 +7,13 @@ package proxysupport
 //
 // see: https://www.consul.io/docs/connect/proxies/envoy#supported-versions
 var EnvoyVersions = []string{
-	"1.18.2",
-	"1.17.2",
-	"1.16.3",
-	"1.15.4",
+	"1.18.3",
+	"1.17.3",
+	"1.16.4",
+	"1.15.5",
 }
 
 var EnvoyVersionsV2 = []string{
-	"1.16.3",
-	"1.15.4",
+	"1.16.4",
+	"1.15.5",
 }
diff --git a/command/connect/envoy/testdata/CONSUL_HTTP_ADDR-with-https-scheme-enables-tls.golden b/command/connect/envoy/testdata/CONSUL_HTTP_ADDR-with-https-scheme-enables-tls.golden
index 3d83d6589..cd52a65cc 100644
--- a/command/connect/envoy/testdata/CONSUL_HTTP_ADDR-with-https-scheme-enables-tls.golden
+++ b/command/connect/envoy/testdata/CONSUL_HTTP_ADDR-with-https-scheme-enables-tls.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/access-log-path.golden b/command/connect/envoy/testdata/access-log-path.golden
index ea129a3ec..e65515893 100644
--- a/command/connect/envoy/testdata/access-log-path.golden
+++ b/command/connect/envoy/testdata/access-log-path.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/defaults.golden b/command/connect/envoy/testdata/defaults.golden
index 774aed3df..6b989665f 100644
--- a/command/connect/envoy/testdata/defaults.golden
+++ b/command/connect/envoy/testdata/defaults.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/existing-ca-file.golden b/command/connect/envoy/testdata/existing-ca-file.golden
index 2c277d994..494752b35 100644
--- a/command/connect/envoy/testdata/existing-ca-file.golden
+++ b/command/connect/envoy/testdata/existing-ca-file.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/existing-ca-path.golden b/command/connect/envoy/testdata/existing-ca-path.golden
index 2e879d1e1..88618fc5b 100644
--- a/command/connect/envoy/testdata/existing-ca-path.golden
+++ b/command/connect/envoy/testdata/existing-ca-path.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/extra_-multiple.golden b/command/connect/envoy/testdata/extra_-multiple.golden
index 62b6a79a7..06cd5215d 100644
--- a/command/connect/envoy/testdata/extra_-multiple.golden
+++ b/command/connect/envoy/testdata/extra_-multiple.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/extra_-single.golden b/command/connect/envoy/testdata/extra_-single.golden
index a02eaa904..503226e17 100644
--- a/command/connect/envoy/testdata/extra_-single.golden
+++ b/command/connect/envoy/testdata/extra_-single.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/grpc-addr-config.golden b/command/connect/envoy/testdata/grpc-addr-config.golden
index 5f1ff4d7c..9082d485d 100644
--- a/command/connect/envoy/testdata/grpc-addr-config.golden
+++ b/command/connect/envoy/testdata/grpc-addr-config.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/grpc-addr-env.golden b/command/connect/envoy/testdata/grpc-addr-env.golden
index 5f1ff4d7c..9082d485d 100644
--- a/command/connect/envoy/testdata/grpc-addr-env.golden
+++ b/command/connect/envoy/testdata/grpc-addr-env.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/grpc-addr-flag.golden b/command/connect/envoy/testdata/grpc-addr-flag.golden
index 5f1ff4d7c..9082d485d 100644
--- a/command/connect/envoy/testdata/grpc-addr-flag.golden
+++ b/command/connect/envoy/testdata/grpc-addr-flag.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/grpc-addr-unix.golden b/command/connect/envoy/testdata/grpc-addr-unix.golden
index 0c321edca..053d1c008 100644
--- a/command/connect/envoy/testdata/grpc-addr-unix.golden
+++ b/command/connect/envoy/testdata/grpc-addr-unix.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/ingress-gateway-address-specified.golden b/command/connect/envoy/testdata/ingress-gateway-address-specified.golden
index fe6f987ca..99da5e21b 100644
--- a/command/connect/envoy/testdata/ingress-gateway-address-specified.golden
+++ b/command/connect/envoy/testdata/ingress-gateway-address-specified.golden
@@ -13,7 +13,7 @@
     "id": "ingress-gateway",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/ingress-gateway-no-auto-register.golden b/command/connect/envoy/testdata/ingress-gateway-no-auto-register.golden
index e6a956ee6..d2c4b37e4 100644
--- a/command/connect/envoy/testdata/ingress-gateway-no-auto-register.golden
+++ b/command/connect/envoy/testdata/ingress-gateway-no-auto-register.golden
@@ -13,7 +13,7 @@
     "id": "ingress-gateway",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/ingress-gateway-register-with-service-and-proxy-id.golden b/command/connect/envoy/testdata/ingress-gateway-register-with-service-and-proxy-id.golden
index d8f46383f..4caf58dd4 100644
--- a/command/connect/envoy/testdata/ingress-gateway-register-with-service-and-proxy-id.golden
+++ b/command/connect/envoy/testdata/ingress-gateway-register-with-service-and-proxy-id.golden
@@ -13,7 +13,7 @@
     "id": "my-gateway-123",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/ingress-gateway-register-with-service-without-proxy-id.golden b/command/connect/envoy/testdata/ingress-gateway-register-with-service-without-proxy-id.golden
index 90cb17c16..e7bbde807 100644
--- a/command/connect/envoy/testdata/ingress-gateway-register-with-service-without-proxy-id.golden
+++ b/command/connect/envoy/testdata/ingress-gateway-register-with-service-without-proxy-id.golden
@@ -13,7 +13,7 @@
     "id": "my-gateway",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/ingress-gateway.golden b/command/connect/envoy/testdata/ingress-gateway.golden
index ebc1f4d4f..da76ef79b 100644
--- a/command/connect/envoy/testdata/ingress-gateway.golden
+++ b/command/connect/envoy/testdata/ingress-gateway.golden
@@ -13,7 +13,7 @@
     "id": "ingress-gateway-1",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/prometheus-metrics.golden b/command/connect/envoy/testdata/prometheus-metrics.golden
index beb779a35..e4157e9c8 100644
--- a/command/connect/envoy/testdata/prometheus-metrics.golden
+++ b/command/connect/envoy/testdata/prometheus-metrics.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/stats-config-override.golden b/command/connect/envoy/testdata/stats-config-override.golden
index 3043e6934..42b22dbc6 100644
--- a/command/connect/envoy/testdata/stats-config-override.golden
+++ b/command/connect/envoy/testdata/stats-config-override.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/token-arg.golden b/command/connect/envoy/testdata/token-arg.golden
index 081f6c302..248790500 100644
--- a/command/connect/envoy/testdata/token-arg.golden
+++ b/command/connect/envoy/testdata/token-arg.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/token-env.golden b/command/connect/envoy/testdata/token-env.golden
index 081f6c302..248790500 100644
--- a/command/connect/envoy/testdata/token-env.golden
+++ b/command/connect/envoy/testdata/token-env.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/token-file-arg.golden b/command/connect/envoy/testdata/token-file-arg.golden
index 081f6c302..248790500 100644
--- a/command/connect/envoy/testdata/token-file-arg.golden
+++ b/command/connect/envoy/testdata/token-file-arg.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/token-file-env.golden b/command/connect/envoy/testdata/token-file-env.golden
index 081f6c302..248790500 100644
--- a/command/connect/envoy/testdata/token-file-env.golden
+++ b/command/connect/envoy/testdata/token-file-env.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/command/connect/envoy/testdata/zipkin-tracing-config.golden b/command/connect/envoy/testdata/zipkin-tracing-config.golden
index b64783ebe..15b796e26 100644
--- a/command/connect/envoy/testdata/zipkin-tracing-config.golden
+++ b/command/connect/envoy/testdata/zipkin-tracing-config.golden
@@ -13,7 +13,7 @@
     "id": "test-proxy",
     "metadata": {
       "namespace": "default",
-      "envoy_version": "1.18.2"
+      "envoy_version": "1.18.3"
     }
   },
   "static_resources": {
diff --git a/test/integration/connect/envoy/run-tests.sh b/test/integration/connect/envoy/run-tests.sh
index d0907a789..81646f10f 100755
--- a/test/integration/connect/envoy/run-tests.sh
+++ b/test/integration/connect/envoy/run-tests.sh
@@ -9,7 +9,7 @@ readonly HASHICORP_DOCKER_PROXY="docker.mirror.hashicorp.services"
 # DEBUG=1 enables set -x for this script so echos every command run
 DEBUG=${DEBUG:-}
 
-OLD_XDSV2_AWARE_CONSUL_VERSION="${OLD_XDSV2_AWARE_CONSUL_VERSION:-"${HASHICORP_DOCKER_PROXY}/library/consul:1.9.4"}"
+OLD_XDSV2_AWARE_CONSUL_VERSION="${OLD_XDSV2_AWARE_CONSUL_VERSION:-"${HASHICORP_DOCKER_PROXY}/library/consul:1.9.5"}"
 export OLD_XDSV2_AWARE_CONSUL_VERSION
 
 # TEST_V2_XDS=1 causes it to do just the 'consul connect envoy' part using
@@ -18,7 +18,7 @@ TEST_V2_XDS=${TEST_V2_XDS:-}
 export TEST_V2_XDS
 
 # ENVOY_VERSION to run each test against
-ENVOY_VERSION=${ENVOY_VERSION:-"1.18.2"}
+ENVOY_VERSION=${ENVOY_VERSION:-"1.18.3"}
 export ENVOY_VERSION
 
 if [ ! -z "$DEBUG" ] ; then
diff --git a/website/content/commands/connect/envoy.mdx b/website/content/commands/connect/envoy.mdx
index 5adbabdb8..c23df6833 100644
--- a/website/content/commands/connect/envoy.mdx
+++ b/website/content/commands/connect/envoy.mdx
@@ -74,7 +74,7 @@ proxy configuration needed.
   allowed to access by [Connect intentions](/docs/connect/intentions).
 
 - `-envoy-version` - The version of envoy that is being started. Default is
-  `1.18.2`. This is required so that the correct configuration can be generated.
+  `1.18.3`. This is required so that the correct configuration can be generated.
 
 - `-no-central-config` - By default the proxy's bootstrap configuration can be
   customized centrally. This requires that the command run on the same agent
diff --git a/website/content/docs/connect/proxies/envoy.mdx b/website/content/docs/connect/proxies/envoy.mdx
index ac7e6cf18..5aa5dc6eb 100644
--- a/website/content/docs/connect/proxies/envoy.mdx
+++ b/website/content/docs/connect/proxies/envoy.mdx
@@ -34,8 +34,8 @@ compatible Envoy versions.
 
 | Consul Version      | Compatible Envoy Versions        |
 | ------------------- | -------------------------------- |
-| 1.10.x              | 1.18.2, 1.17.2, 1.16.3, 1.15.4   |
-| 1.9.x               | 1.16.3, 1.15.4, 1.14.7‡, 1.13.7‡ |
+| 1.10.x              | 1.18.3, 1.17.3, 1.16.4, 1.15.5   |
+| 1.9.x               | 1.16.4, 1.15.5, 1.14.7‡, 1.13.7‡ |
 | 1.8.x               | 1.14.7, 1.13.7, 1.12.7, 1.11.2   |
 | 1.7.x               | 1.13.7, 1.12.7, 1.11.2, 1.10.0\* |
 | 1.6.x, 1.5.3, 1.5.2 | 1.11.1, 1.10.0, 1.9.1, 1.8.0†    |